Cometic, EST motor only gasket kit. 3-1/2" bore - 84-91 B.T.(NU) 903299 With locking detents

With locking detents

Compatible with OEM components

Note: Side plates not included

3/4-16 X 3-1/8" HEX HEAD

Cometic, EST motor only gasket kit. 3-1/2" bore - 84-91 B.T.(NU) 903299 With locking detentsWith . 040" MLS (Multi Layer Steel) head gaskets. This EST (Extreme Sealing Technology) gasket sets are complete with all gaskets, seals and o rings that are used on the specific H D model that is mentioned, excluding primary gaskets. It's the easy way to do a complete overhaul and have all gaskets that are necessary in one package to reassemble the engine. This EST gasket set contain MLS (Multi Layer Steel) head gaskets which eliminates the use of